BiTorsion bits for TORX socket screws with a torsion zone into which kinetic energy is dissipated during peak loads. This significantly increases the product life. Best possible service life with the matching holder. Tough, for universal use. 1/4" hexagonal, suitable for holding tools as per DIN ISO 1173-D 6.3.

WER30789C: TX20/25mm
WER30789D: TX25/25mm